Improvement in wagon-jacks



` `JOHN WAGNER. Improvement n Wagon Jacks. 4' No. 115,396, Patented May 30,1371.

JOHN; WAGNER, OF LANCASTER COUNTY, PENNSYLVANIA.

" IMPRovEMENT IN wAeoNJAcKs.

Speciiicationfforming part of Lettere Patent No. 115,396, dated May 30, 1871.

` I, JOHN WAGNER, of Lancaster county and State of Pennsylvania, have invented certain Improvements in LiftingfJacks, of which the following is a specification:

The nature of my invention consists in ap i plying to one leg ofthe lifting-jack an adjustable bearing-block.

` In the drawing', Figure l shows my jack in twol positions, the full-lined igure showing it with the lever-arm A raised, B and O being thelegs,V to which A is .pivoted at ct, b and D being the adjustable bearingb1ock,open or solid, and which is suspended by means of a link, d, to the leg O,`which link may rest in any of the notches e; D being arranged at any suitable height just under the body to be raised, the lever A is pressed downward in thedirection of the arrow, when the jack takes the position shown in dotted outline.

Fig. 2 is a partial top view of my device, j'

representing a strengthening-plate on the other side than that of the front view, shown in Fig. 1.

Having thus described my invention, what I claim as new, and desire to secure by Letters Patent of the United States, i`s

The resting-block D, through which the ad justable link d passes, in combination with legs B O and lever A, arranged and operating Vas shown4 and described.

J OHN WAGNER. Witnesses FRED. ARTos, PHCEBE ELLioTT. 

